Method of controlling image display device, image display system, and image display device

An image display system comprising:

• an image display device adapted to display an image;
• and
• a control device adapted to control the image display device,
• wherein the control device includes a first communication section adapted to establish connection using one of a first communication method and a second communication method with the image display device, and transmit a predetermined command to the image display device after the connection is established,
• the image display device includes
• a second communication section capable of performing communication with the control device using the first communication method and the second communication method,
• a determination section adapted to determine whether the second communication section communicates with the control device using the first communication method or the second communication method, in a case in which the second communication section receives the predetermined command from the control device, and
• a control section adapted to update setting information used to set an operation state of the second communication section in a standby state based on a determination result of the determination section, and
• the control section
• updates the setting information so that the second communication section is set to a first operation state in which communication using the first communication method is enabled and communication using the second communication method is disabled in the standby state, in a case in which the determination section determines that the communication with the control device is performed using the first communication method, and
• updates the setting information so that the second communication section is set to a second operation state in which the communication using the second communication method is enabled and the communication using the first communication method is disabled in the standby state, in a case in which the determination section determines that the communication with the control device is performed using the second communication method.

An image display device adapted to display an image, comprising:

• a communication section capable of performing communication with an external control device using a first communication method and a second communication method;
• a determination section adapted to determine whether the communication section communicates with the control device using the first communication method or the second communication method;
• and
• a control section adapted to update setting information based on a determination result of the determination section, the setting information is information to set an operation state of the communication section in a standby state,
• wherein
• when the determination section determines that the communication section communicates with the control device using the first communication method, the control section updates the setting information to a first operation state in which the first communication method is enabled and the second communication method is disabled in the standby state, and
• when the determination section determines that the communication section communicates with the control device using the second communication method, the control section updates the setting information to a second operation state in which the second communication method is enabled and the first communication method is disabled in the standby state.